Aconvex lens has a diameter of 30 mm and a depth of 5 mm at the center. how far from the vertex is the focus?

Volume of a cylinder with a radius of 13 in and height of 30 in

Finding tbe values of the variables in each kite

Use the given degree of confidence and sample data to construct a confidence interval for the population mean mu . assume that the population has a normal distribution. a laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 185 milligrams with sequals 17.6 milligrams. a confidence interval of 173.8 mgless than muless than 196.2 mg is constructed for the true mean cholesterol content of all such eggs. it was assumed that the population has a normal distribution. what confidence level does this interval represent?